BY550-50 ~ BY550-1000 SILICON RECTIFIER DIODES DO - 201AD PRV : 50 - 1000 Volts Io : 5.0 Amperes FEATURES : * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop 1.00 (25.4) MIN. 0.21 (5.33) 0.19 (4.83) 0.375 (9.53) 0.285 (7.24) 1.00 (25.4) MIN. 0.052 (1.32) 0.048 (1.22) MECHANICAL DATA : * Case : DO-201AD Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.929 grams Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL BY550 BY550 BY550 BY550 BY550 BY550 - 50 - 100 - 200 - 400 - 600 - 800 100 200 400 600 800 UNIT 1000 V Maximum Repetitive Peak Reverse Voltage VRRM Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 60C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 5.0 Amps. 50 BY550 - 1000 IF 5.0 A IFSM 300 A VF 0.95 V Maximum DC Reverse Current Ta = 25 C IR 20 A at rated DC Blocking Voltage Ta = 100 C IR(H) 50 A Typical Junction Capacitance (Note1) CJ 50 pF Typical Thermal Resistance (Note2) C/W Junction Temperature Range RJA TJ 18 - 65 to + 175 C Storage Temperature Range TSTG - 65 to + 175 C Notes : (1) Measured at 1.0 MHz and applied reverse voltage of 4.0VDC (2) Thermal resistance from Junction to Ambient at 0.375" (9.5mm) Lead Lengths, P.C. Board Mounted. Page 1 of 2 Rev. 01 : Mar 23, 2002 RATING AND CHARACTERISTIC CURVES ( BY550-50 - BY550-1000 ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 300 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 5 4 3 2 1 0 0 25 50 75 100 125 150 Ta = 25 C 240 180 120 60 0 175 1 2 AMBIENT TEMPERATURE, ( C) FIG.3 - TYPICAL FORWARD CHARACTERISTICS 6 10 20 40 60 100 FIG 4 . - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) FORWARD CURRENT, AMPERES 100 10 Pulse Width = 300 s 2% Duty Cycle 1.0 4 NUMBER OF CYCLES AT 60Hz T J = 25 C 100 T J = 25 C 50 10 5 1 1 2 4 10 20 40 100 REVERSE VOLTAGE, VOLTS 0.1 FIG. 5 - TYPICAL REVERSE CHARACTERISTICS 10 0.01 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS 1.8 2.0 Ta = 100 C REVERSE CURRENT, MICROAMPERES 0 1.0 0.1 Ta = 25 C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) Page 2 of 2 Rev. 01 : Mar 23, 2002